After upgrading to Satellite 6.16, no longer able to access Content -> Subscriptions.
Issue
The error message is displayed on WebUI from Content->Subscription section
Katello::Resources::Candlepin::Pool: 500 Internal Server Error {"displayMessage":"Runtime Error Cannot invoke
\"java.lang.Boolean.booleanValue()\" because \"this.managed\" is null at
org.candlepin.model.Pool.isManaged:1,333","requestUuid":"7b291bd1-ca79-4c0c-b0e9-fe0c5c0cd710"} (GET
/candlepin/pools/8a21e79a74ba33870174e8f629220435)
Environment
Red Hat Satellite 6.16.0
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